Encoding:     PCM
Rate:         ARBRE and BOUM: 6,615 kHz; FEU: 8,820 kHz
Channels:     Mono (1)
Bit Depth:    8
Byte Signage: Unsigned
Endianess:    N/A
Decimal:      Integer

ARBRE and BOUM each have a 128-byte header, but the game actually uses it as sample data as well.